This lovely ring is made of sterling silver and adorned with a carved turquoise stone. Size: 7.5 Made on the road in New Mexico Turquoise the talisman of kings, shamans, and warriors. It is a stone of protection, prized as a symbol of wisdom, nobility. It improve the mental state overall by increasing all of the following positive mental characteristics: serenity, creativity, empathy, positive thinking, sensitivity, intuition, happiness wisdom all of which result in a calmer state that leads to greater self-realization.